Rotary valve chamber



FIG. 1 is a perspective view of the rotary valve chamber, showing my design;

FIG. 2 is a top view of the rotary valve chamber of FIG. 1;

FIG. 3 is a front elevation of the rotary valve chamber of FIG. 1; and,

FIG. 4 is a rear elevation of the rotary valve chamber of FIG. 1.

The broken lines in the drawings are included for the purpose of illustrating portions of the rotary valve chamber and form no part of the claimed design. 

CLAIM The ornamental design for a rotary valve chamber, as shown and described. 